Platelets survive only about 9 days in the bloodstream and are constantly being replaced by new cells.
http://m.kidshealth.org/en/parents/blood.html
Why have they used "being replaced" and not the simple present passive "are replaced"?
Jigneshbharati Why have they used "being replaced" and not the simple present passive "are replaced"? As is often the case, the author could have used either the continuous or the non-continuous form of the verb. " It makes the text more lively and engaging.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
JigneshbharatiWhy have they used "being replaced" and not the simple present passive "are replaced"?
As is often the case, the author could have used either the continuous or the non-continuous form of the verb.
In this text the author wanted to characterize the replacement of platelets as an on-going process, as if to make you think, "This is happeni